American Express is notifying customers that their account information may have been compromised due to a data breach at a third-party service provider. The company has submitted a data breach notification to the state of Massachusetts, confirming the incident involving its travel services division, American Express Travel Related Services Company.
As a result of the breach, American Express Card account numbers and other details, such as expiration dates, may have been exposed. The company is advising customers to carefully check their account statements and reassures cardholders that they will not be responsible for any fraudulent charges. However, American Express has not disclosed the number of affected customers, the identity of the compromised third party, or the timing of the attack.